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from transformers import GPT2Tokenizer
import torch
import streamlit as st


tokenizer = GPT2Tokenizer.from_pretrained('gpt2')
tokenizer.pad_token = tokenizer.eos_token

model = torch.load("poem_model.pt")

def infer(inp):
    inp = tokenizer(inp,return_tensors="pt")
    X = inp["input_ids"] #.to(device)
    a = inp["attention_mask"] #.to(device)
    output = model.generate(X, 
                            attention_mask=a,
                            max_length=100,
                            min_length=10,
                            early_stopping=True,
                            num_beams=5, 
                            no_repeat_ngram_size=2)
    
    output = tokenizer.decode(output[0])
    
    return output


output = infer(" I shall go")
text = st.text_area(output)
print(text)